feat: the logo on top of the status pane, as text further down (#18)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/ui/panes/list_test.go

@@ -177,3 +177,27 @@ func TestHighlightKeepsColours(t *testing.T) {
 		t.Error("reverse kept the colours")
 	}
 }
+
+func TestListHeader(t *testing.T) {
+	l := NewList("t", Item[string]{
+		ID:     func(s string) string { return s },
+		Filter: func(s string) string { return s },
+		Render: func(_ styles.Styles, s string, _ int) string { return s },
+	})
+	l.Header, l.HeaderShort = []string{"ART1", "ART2"}, "short"
+	l.SetItems([]string{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j"})
+	l.SetSize(30, 2+2+1+6) // the art, a blank line and 6 rows
+	st := styles.Default()
+	if v := l.View(st, true, ""); !strings.Contains(v, "ART1") || strings.Contains(v, "short") {
+		t.Errorf("at the top, the art:\n%s", v)
+	}
+	l.Move(6) // below the rows under the art
+	if v := l.View(st, true, ""); strings.Contains(v, "ART1") || !strings.Contains(v, "short") || !strings.Contains(v, " g") {
+		t.Errorf("further down, the text:\n%s", v)
+	}
+	l.Top()
+	l.SetSize(30, 8) // too short for the art and 5 rows
+	if v := l.View(st, true, ""); strings.Contains(v, "ART1") || !strings.Contains(v, "short") {
+		t.Errorf("no room, the text:\n%s", v)
+	}
+}